DY-SV17F Voice Playback Module IO Trigger Serial Port Control USB Download Flash Voice ModuleItem NO.: DY-SV17F

DY-SV17F Voice Playback Module

Product Overview:

DY-SV17F is an intelligent voice module that integrates IO segmented triggering, UART serial port control, ONE_ Line single bus serial port control, standard MP3 and other 7 working modes; On board 5W Class D power amplifier, capable of directly driving 4 Ω, 3-5 W speakers; Supports MP3 and WAV decoding formats, with onboard 32Mbit (4MByte) flash storage for audio files. Audio files can be updated by connecting to a computer through a USB data cable.

Product Parameters:

● Working voltage: 3.7-5V

● On board memory: On board 32Mbit (4M bytes)

● On board power amplifier: On board Class D 5W power amplifier

● Trigger method: one-on-one trigger, UART serial port control

● Support audio: MP3 WAV

● Audio download: USB data cable connected to computer for download

● Product size: 26mm * 23mm

● Configure resistance: To configure pins, it is necessary to weld resistance, pull it up to 3.3V or pull it down GND

● DACL/R output: supported

● USB external connection: not supported

● External volume potentiometer: not supported

Product Characteristics:

1. Supports MP3 and WAV decoding formats.

2. Support sampling rate (KHz): 8/11.025/12/16/22.05/24/32/44.1/48.

3. 24 bit DAC output, dynamic range supporting 90dB, signal-to-noise ratio supporting 85dB.

4. On board 32Mbit (4MByte) flash storage, can be connected to a computer via USB data cable to update audio files..

5. Equipped with a 5W Class D power amplifier, it can directly drive 4 Ω, 3-5 W speakers.

6. UART serial port controls voice broadcasting function, which can control playback, pause, song selection, volume increase or decrease, and other functions. It can select 65535 tracks with a baud rate of 9600 bps.

7. Supports IO triggered playback function, with 8 IO ports triggering 8 tracks individually or a combination of 8 IO ports triggering 255 tracks.

8. Support for One_ Line single bus serial port control, which can control functions such as playback, pause, music selection, volume increase and decrease.

9. Supports 3 configured IOs for up to 7 working mode selections.

Pin Definition:

1. Input pin IO0 in TXD/IO0: IO trigger mode; TX pin in UART control mode, connected to the RX of the control terminal (MCU)

2. RXD/IO1: Input pin IO1 in IO trigger mode; RX pin in UART control mode, connected to TX of control terminal (MCU)

3. IO2: IO trigger mode input pin IO2

4. IO3: IO trigger mode input pin IO3

5、IO4/ONE_ LINE: IO trigger mode input pin IO4; One_ Line 1 serial port control mode data receiving pin

6、IO5： IO trigger mode input pin IO5

7、IO6： IO trigger mode input pin IO6

8、IO7： IO trigger mode input pin IO7

9. GND: reference ground terminal

10. CON1: Mode configuration pin 1

11. CON2: Mode configuration pin 2

12. CON3/BUSY: Used as a mode configuration pin within 30ms of power on. After 30ms, it is output as a BUSY signal. When playing a track, it outputs a low level (0V), and when playing, it outputs a high level (3.3V)

13. V5: 5V power supply positive input

14. V33: 3.3V power output, 80mA

15. DACR: Right channel audio output

16. DACL: Left channel audio output

17. SPK -: 5W power amplifier output negative, connected to the negative pole of the horn

18. SPK+: 5W power amplifier output positive, connected to the positive pole of the horn